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Safety data aggregation method based on dynamic segmentation technology

Inactive Publication Date: 2017-11-03
SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY
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Problems solved by technology

Secondly, the increase in data transmission also leads to an increase in the probability of data transmission collisions, delays, bit errors, etc., and ultimately affects the accuracy of data fusion results and the efficiency of data fusion

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  • Safety data aggregation method based on dynamic segmentation technology
  • Safety data aggregation method based on dynamic segmentation technology
  • Safety data aggregation method based on dynamic segmentation technology

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Embodiment Construction

[0015] The present invention is described in detail below in conjunction with embodiment

[0016] The idea of ​​dynamic segmentation technology In the SMART scheme, the node does not consider whether the perceived information is important, and cuts all the information into 3 pieces, and sometimes unimportant data is divided into too many pieces (3 pieces), which consumes excess energy; and There are too few fragments for some extremely important data, which makes the privacy protection of important data low and easily leads to the leakage of private data.

[0017] In view of this situation, a security data fusion scheme D-SMART algorithm based on the dynamic segmentation of data importance is proposed. Less sharding for unimportant data, more sharding for important data, namely common data (no split), important data (splitting into three slices), confidential data (splitting into 5 slices). This scheme improves the shortcomings of the SMART scheme in terms of data transmissio...

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Abstract

The invention discloses a safety data aggregation method based on dynamic segmentation technology, and relates to a network safety data aggregation method. A wireless sensor network is abstracted as a connected graph G(V, E), and adopts the tree type fusion network topology; all nodes in the network are divided into three types: the BS (Base Station) node, the aggregator node and the leaf node; the aggregator node upward transmits the data received from the sub node to the father node after performing the aggregation operation; the leaf sub-node is only responsible for acquiring data and transmitting to the father node; therefore, the data aggregation function is defined as shown in description; the method comprises the aggregation tree establishment stage, the data mixing stage, the data aggregation stage, and the data aggregation stage. The data aggregation precision is improved, the energy consumption is reduced, the network life cycle is prolonged, the privacy protectiveness of the data is improved, and the insufficiency of the SMART algorithm is effectively solved.

Description

technical field [0001] The invention relates to a network security data fusion method, in particular to a security data fusion method based on dynamic segmentation technology. Background technique [0002] Wireless sensor network (Wireless Sensor Network, WSN) is a multi-hop self-organizing network formed by wireless communication of resource-constrained nodes deployed in the monitoring area. Data fusion technology is one of the key technologies of wireless sensor networks. It can remove redundant information in the network and reduce the amount of data transmission, thereby effectively improving the energy and bandwidth efficiency of the entire network. Then, the computing power, storage capacity and energy supply of wireless sensor nodes are very limited, and all nodes form a network through wireless self-organization. Therefore, the data fusion process of wireless sensor networks is extremely vulnerable to various types of attacks. Attackers can obtain data information ...

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Application Information

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IPC IPC(8): H04W12/02H04W12/10H04W84/18H04W4/00
CPCH04W4/38H04W12/02H04W12/10H04W84/18Y02D30/70
Inventor 王军陈羽刘一珏赵子君
Owner SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY
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